| City | County | 2026 Pop. ↓ |
|---|---|---|
| Highlands Ranch | Douglas County | 102,527 |
| Holly Hills | Arapahoe County | 2,682 |
| Hayden | Routt County | 2,251 |
| Holyoke | Phillips County | 2,248 |
| Hudson | Weld County | 1,615 |
| Howard | Fremont County | 1,260 |
| Hotchkiss | Delta County | 961 |
| Haxtun | Phillips County | 945 |
| Holly | Prowers County | 834 |
| Hugo | Lincoln County | 779 |
| Hot Sulphur Springs | Grand County | 656 |
| Hillrose | Morgan County | 313 |
| Heeney | Grand County | 114 |
| Hasty | Bent County | 82 |
| Hooper | Alamosa County | 77 |
| Haswell | Kiowa County | 71 |
| Hoehne | Las Animas County | 58 |
| Hartman | Prowers County | 54 |
| Hidden Lake | Boulder County | 37 |